USGS Water-Year Summary 2020
01209500 SAUGATUCK R NR WESTPORT, CT.
LOCATION - Lat 41°10'14.63", long 73°21'53.34" referenced to North American Datum of 1983, Fairfield County, CT, Hydrologic Unit 01100006, on left bank on Ford Road, 400 ft downstream from West Branch, 600 ft downstream from Aspetuck River, 2 mi north of Westport, Fairfield County, 5.5 mi upstream from mouth.
DRAINAGE AREA - 79.8 mi².
PERIOD OF RECORD - October 1933 to September 1967; July 2009 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 18.16 ft. above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
EXTREMES FOR PERIOD OF RECORD - The maximum peak flow of 14,800 ft³/s was obtained from the rating curve extended above 2,400 ft³/s on basis of computation of peak flow over dam at gage height 10.28 ft. and contracted-opening measurement of peak flow. The maximum stage of 15.93 ft. was from high-water marks in gage house.